diff options
Diffstat (limited to 'drivers/iommu/io-pgtable-arm.h')
| -rw-r--r-- | drivers/iommu/io-pgtable-arm.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/iommu/io-pgtable-arm.h b/drivers/iommu/io-pgtable-arm.h new file mode 100644 index 000000000..ba7cfdf7a --- /dev/null +++ b/drivers/iommu/io-pgtable-arm.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef IO_PGTABLE_ARM_H_ +#define IO_PGTABLE_ARM_H_ + +#define ARM_LPAE_TCR_TG0_4K 0 +#define ARM_LPAE_TCR_TG0_64K 1 +#define ARM_LPAE_TCR_TG0_16K 2 + +#define ARM_LPAE_TCR_TG1_16K 1 +#define ARM_LPAE_TCR_TG1_4K 2 +#define ARM_LPAE_TCR_TG1_64K 3 + +#define ARM_LPAE_TCR_SH_NS 0 +#define ARM_LPAE_TCR_SH_OS 2 +#define ARM_LPAE_TCR_SH_IS 3 + +#define ARM_LPAE_TCR_RGN_NC 0 +#define ARM_LPAE_TCR_RGN_WBWA 1 +#define ARM_LPAE_TCR_RGN_WT 2 +#define ARM_LPAE_TCR_RGN_WB 3 + +#define ARM_LPAE_TCR_PS_32_BIT 0x0ULL +#define ARM_LPAE_TCR_PS_36_BIT 0x1ULL +#define ARM_LPAE_TCR_PS_40_BIT 0x2ULL +#define ARM_LPAE_TCR_PS_42_BIT 0x3ULL +#define ARM_LPAE_TCR_PS_44_BIT 0x4ULL +#define ARM_LPAE_TCR_PS_48_BIT 0x5ULL +#define ARM_LPAE_TCR_PS_52_BIT 0x6ULL + +#endif /* IO_PGTABLE_ARM_H_ */ |